BAT54CHYFHT116

Overview

The BAT54CHYFHT116 is an automotive-grade Schottky barrier diode manufactured by ROHM Semiconductor. It features a dual common cathode configuration within a compact SOT-23 (SSD3) surface-mount package. The device supports a maximum repetitive reverse voltage of 30V and an average rectified forward current of 0.2A. Key electrical specifications include a maximum forward voltage of 0.8V at 0.1A, a peak forward surge current of 0.6A, and a maximum reverse current of 2µA at 25V. It operates with a junction temperature range up to +150°C and complies with the AEC-Q101 standard for automotive reliability.

Feature Summary

• Dual common cathode configuration for efficient circuit design
• Automotive grade qualification ensuring high reliability under harsh conditions
• Low forward voltage characteristic for improved power efficiency
• Compact SOT-23 package suitable for space-constrained applications

Applications

• Small current rectification in automotive electronic systems
• Protection circuits for automotive sensors and modules
• General purpose switching applications in vehicle electronics

Procurement Notes

Verify component authenticity through authorized distribution channels due to the prevalence of counterfeit semiconductor devices. Confirm that the specific suffix matches the required automotive grade specifications. Ensure storage and handling procedures comply with moisture sensitivity level requirements to maintain device integrity prior to assembly.

Selection Notes

Select this component when designing for automotive environments requiring robust Schottky rectification with minimal voltage drop. The dual common cathode structure allows for flexible logic or rectification configurations. Consider the thermal management capabilities provided by the small outline package and the high junction temperature rating for reliable operation in confined spaces.

Part Context

This part belongs to ROHM's series of automotive Schottky barrier diodes designed for high-reliability applications. The BAT54CHY variant specifically targets the automotive market, adhering to strict quality standards. It serves as a specialized solution for low-voltage, high-efficiency rectification needs in modern vehicle electronics where space and thermal performance are critical constraints.

Replacement Considerations

BAT54SHYFHT116 is a confirmed substitute with identical pinout and package.